Depends. Team or individual scorings?
yes
No. Odometer measure the traveled distance of a wheeled vehicle. A ruler or a vernier caliper would be better for measuring a baseball.
you would use a kilogram
square meters
yes
A centimetre would be an appropriate measure.
A balance.
In centimeters
The answer depends on what characteristic of the baseball you wish to measure: mass, weight, radius, volume, seam height, temperature, hardness, ... the list could go on.
Cm
used to measure the strength of earthquakes?
To measure the length of a baseball card, you can use a ruler or a measuring tape. Place the card flat on a surface and align one end with the zero mark on the ruler or tape. Ensure the measurement is taken straight along the length of the card for accuracy. Most baseball cards typically measure 2.5 inches by 3.5 inches.